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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 396 | do_action( 'load-page.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 397 | } |
| 398 | } elseif ( 'edit-tags.php' === $pagenow ) { |
| 399 | if ( 'category' === $taxnow ) { |
| 400 | do_action( 'load-categories.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 401 | } elseif ( 'link_category' === $taxnow ) { |
| 402 | do_action( 'load-edit-link-categories.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 403 | } |
| 404 | } elseif ( 'term.php' === $pagenow ) { |
| 405 | do_action( 'load-edit-tags.php' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | if ( ! empty( $_REQUEST['action'] ) ) { |
| 410 | $action = $_REQUEST['action']; |
| 411 | |
| 412 | /** |
| 413 | * Fires when an 'action' request variable is sent. |
| 414 | * |